20MM (.787") Flex-Hone Ball Hone valve guides 320 grit BC20M32 Brush Research

Description

0.787" or 20mm Guide Hone for all engine valve guide applications
utilizing a 0.775" to 0.795"  or  19.6mm to 20.2mm bore.
320 GRIT
Brand new sealed in package engine cylinder head valve guide flex-hone.
This is NOT a brush but a hone with abrasive globules that will produce a controlled finish.
The hone actual size is 20MM or 0.787"
.
Perfect for materials types, steel, bronze, etc.
Made in USA,  by the one of the best cylinder hone manufacturers, FLEX-HONE.
320 grit, EXCELLENT for valve guide refinishing
Flex-Hone tool is self centering, self aligning
Flex-Hone tool can be used with a 3/8" or 1/2" chuck portable drill, drill press, or other
This patented Flex-Hone is the best way to create a Cross Hatch surface finish with suspended globule working abrasives.
THIS TOOL HAS THE  8" long SHAFT for cylinder head rebuilding.
ITEM IS BRAND NEW NEVER REMOVED FROM FACTORY PACKING